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STMicroelectronics SPC574S64E3CEFAY
- Part No.:
- SPC574S64E3CEFAY
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 100-TQFP Exposed Pad
- Datasheet:
-
SPC574S64E3CEFAY.pdf
- Description:
- IC MCU 32BIT 1.5MB FLSH 100ETQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,852
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Product details
Overview
SPC574S64E3CEFAY from STMicroelectronics is a 32-bit Power Architecture automotive microcontroller with dual e200z4d cores (140 MHz), ASIL-D safety certification, 1.5 MB on-chip flash + 64 KB data flash, and integrated MCAN-FD, FlexRay, SENT, LINFlexD, and 8-channel 12-bit SAR ADCs - deployed in electric power steering (EPS) and brake-by-wire control units.
For engineers reviewing the SPC574S64E3CEFAY datasheet, SPC574S64E3CEFAY pinout, SPC574S64E3CEFAY application, or SPC574S64E3CEFAY equivalent, this page delivers verified technical context, safety architecture details, real-world automotive use cases, and validated alternative options for chassis and safety domain controllers.
Technical Context
The SPC574S64E3CEFAY implements a lockstep dual-core e200z420n3 (main) / e200z419 (checker) configuration with VLE instruction set, end-to-end ECC for Flash/SRAM/DMA, and dedicated FCCU, MEMU, and CMU modules to enforce ASIL-D compliance per ISO 26262 SEooC requirements. Its dual FMPLLs provide independent clock domains for computational shell and peripheral timing.
It integrates an AMBA crossbar switch with four master ports (CPU I/D, DMA, FlexRay) and five slave ports (Flash, RAM, PBRIDGE0/1), enabling concurrent access to memory and peripherals. Safety-critical peripherals-including MCAN0/1 (CAN-FD), FlexRay (128 message buffers), and dual CTU-synchronized ADC groups-are hardware-protected via register locking, MPU regions, and error-signaling paths to FCCU.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Dual e200z4d Power Architecture cores (140 MHz main + lockstep checker) with VLE encoding for 30% smaller code footprint vs. fixed-length ISA. |
| Memory | 1.5 MB code flash + 64 KB data flash (EEPROM emulation); 128 KB on-chip RAM (96 KB SRAM + 32 KB local data RAM), all with ECC protection. |
| Safety Certification | AEC-Q100 Grade 0 (−40 °C to +150 °C junction), ISO 26262 ASIL-D compliant via SEooC safety concept including FCCU, MEMU, and e2eECC logic. |
| Analog Peripherals | 8 × 12-bit SAR ADCs (1.5 µs conversion at 12 MHz), grouped into two sets of 3 + 1 supervisor ADC, with dual programmable CTU for deterministic trigger synchronization. |
| Communication Interfaces | 2 × MCAN (CAN-FD, 808/520 × 32-bit shared RAM), 1 × FlexRay (2 channels, 128 buffers), 4 × LINFlexD, 4 × DSPI, 2 × SENT (3 channels each). |
| Timers & PWM | 4 × eTimer (6 channels each), 4 × FlexPWM (2×4 for motor control with hardware sync, 2×2 for SWG emulation), AUTOSAR STM and PIT timers. |
| Debug & Trace | Nexus Class 3 interface with instruction/data trace support, JTAG IEEE 1149.1 boundary scan, and on-chip CAN/UART bootstrap loader with BAF. |
Pinout & Package
eTQFP100 package (14 mm × 14 mm, 0.5 mm pitch), thermally enhanced for automotive under-hood operation up to 150 °C junction temperature.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_CORE | Core power supply | 1.2 V regulated input (internal LDO or external bypass); supports low-noise core operation with configurable decoupling. |
| VDD_IOA / VDD_IOB | I/O power domains | Independent 3.3 V or 5 V supplies for GPIO banks; enables mixed-voltage interfacing and supply redundancy per ISO 26262. |
| ADC_VREFH / ADC_VREFL | Analog reference | External precision reference inputs for 12-bit ADC; allows ratiometric or absolute voltage measurement with <±1 LSB INL. |
| MCAN0_TX / MCAN0_RX | CAN-FD physical interface | Differential CAN transceiver pins supporting FD data rates up to 5 Mbps; integrated bus-off recovery and loopback test mode. |
| FLEXRAY_CH0_A / FLEXRAY_CH0_B | FlexRay channel 0 differential pair | High-speed deterministic bus interface (10 Mbps), with built-in CRC, slot timing, and cold-start capability for x-by-wire systems. |
| NEXUS_TDI / TDO / TCK / TMS | Nexus debug port | IEEE-ISTO 5001-2003 Class 3 trace-capable interface for real-time instruction/data streaming and non-intrusive runtime analysis. |
Key Features
| Feature | Design Value |
|---|---|
| ASIL-D Safety Architecture | Hardware-enforced lockstep execution, FCCU-driven fault reaction, MEMU-monitored ECC reporting, and CMU-based clock monitoring - eliminates need for software-only safety layers. |
| Motor Control Ready PWM | Two 4-channel FlexPWM units with hardware synchronization, dead-time insertion, and fault input mapping - enables dual-motor EPS or brake actuator control without CPU intervention. |
| Redundant Analog Acquisition | Dual CTU-triggered ADC groups (3+1 supervisor) allow simultaneous sampling across multiple sensors with sub-microsecond phase alignment - critical for torque/position fusion in steer-by-wire. |
| Secure Boot & Flash Protection | Boot Assist Flash (BAF) with UART/MCAN bootloading, PASS-based Flash access protection, and RegProt register locking - prevents unauthorized firmware update or register tampering. |
| Thermal-Robust Power Scheme | On-chip 1.2 V regulator with bypass option, dual I/O rails, and −40 °C to +150 °C junction rating - ensures reliable operation in engine compartment or transmission-mounted ECUs. |
Applications
| Electric Power Steering (EPS) | Brake-by-Wire (BBW) |
|---|---|
|
Use Scenario: Real-time torque assist calculation using motor current, steering angle, vehicle speed, and yaw rate inputs. IC Role / Device Role / Timing Role: Primary ASIL-D controller executing AUTOSAR-compliant motor control stack with <100 µs loop latency and dual-core lockstep verification. Use Value: Hardware-synchronized ADC sampling and FlexPWM output ensure deterministic torque response within 2 ms, meeting ISO 26262 ASIL-D timing constraints. |
Use Scenario: Redundant pressure control for electro-hydraulic brake actuators with fail-operational behavior. IC Role / Device Role / Timing Role: Dual-channel safety controller managing MCAN-FD communication with master ECU and local FlexRay sensor network. Use Value: Integrated FCCU and MEMU enable automatic fault containment and channel switchover within 5 ms, preserving braking function during single-point failure. |
| Active Suspension Control | ADAS Domain Controller Interface |
|
Use Scenario: High-frequency damper force modulation using accelerometer, wheel speed, and ride height feedback. IC Role / Device Role / Timing Role: Real-time signal processor with 8-channel ADC oversampling, eTimer-based PWM generation, and SENT interface to piezo actuators. Use Value: 1.5 µs ADC conversion and 140 MHz core enable 10 kHz closed-loop control - exceeding OEM requirements for road disturbance rejection. |
Use Scenario: Bridging radar/vision sensor data to central ADAS domain controller via high-integrity bus. IC Role / Device Role / Timing Role: Safety gateway handling time-synchronized MCAN-FD and FlexRay messages with CRC-protected routing and timestamping. Use Value: Dual MCAN buffers (808 + 520 words) and hardware timestamping ensure zero packet loss at 2 Mbps FD rates during sensor fusion bursts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive ASIL-D microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K344 | ARM Cortex-R52 dual-core (320 MHz), 4 MB flash, no FlexRay, includes HSE security module. | Better suited for OTA-updatable ADAS gateways; lacks native FlexRay for legacy chassis networks. | Select when migrating to ARM ecosystem and requiring hardware crypto acceleration over FlexRay legacy support. |
| Renesas RH850/U2A | 32-bit RXv3 core (200 MHz), 4 MB flash, 2x CAN-FD, no FlexRay, supports ISO 21434 cybersecurity. | Stronger toolchain integration for Japanese OEMs; limited CTU-level ADC synchronization vs. SPC574S64's dual CTU. | Select for Tier 1 suppliers targeting Toyota/Honda platforms where RH850 toolchain and support infrastructure are standardized. |
Compared with NXP S32K344 and Renesas RH850/U2A, the SPC574S64E3CEFAY uniquely combines FlexRay + MCAN-FD + dual CTU ADCs in a single ASIL-D-certified Power Architecture device - making it the only drop-in solution for existing EPS/BBW platforms requiring backward-compatible bus architecture and deterministic analog acquisition.
Availability
SPC574S64E3CEFAY is available at Aetrix Electronics and suitable for electric power steering (EPS), brake-by-wire (BBW), active suspension, and ADAS domain gateway applications requiring stable component supply, long-term automotive lifecycle support, and ASIL-D qualification documentation.
Supply support for SPC574S64E3CEFAY includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, delivering automotive-grade microcontrollers, power management ICs, and sensing solutions to Tier 1 suppliers and OEMs worldwide.
The SPC574S series belongs to ST's automotive chassis and safety microcontroller product line, engineered specifically for ASIL-D–compliant x-by-wire systems requiring deterministic real-time performance, multi-bus connectivity, and hardware-enforced functional safety.
FAQ
What is the maximum junction temperature rating for SPC574S64E3CEFAY?
The SPC574S64E3CEFAY is rated for −40 °C to +150 °C junction temperature, qualified per AEC-Q100 Grade 0. This enables direct mounting in high-thermal-load locations such as transmission housings or near power inverters without external heatsinking.
Does SPC574S64E3CEFAY support CAN-FD on both MCAN interfaces?
Yes - both MCAN0 and MCAN1 support CAN-FD protocol with bit rates up to 5 Mbps in FD mode. MCAN0 allocates 808 × 32-bit shared RAM and MCAN1 allocates 520 × 32-bit shared RAM for message objects, enabling concurrent high-bandwidth communication with radar and central domain controllers.
How is ASIL-D compliance achieved without external safety monitors?
ASIL-D compliance is achieved through integrated hardware safety mechanisms: lockstep dual-core execution, FCCU-managed fault reactions, MEMU-monitored ECC reporting across Flash/SRAM/DMA, CMU-based clock supervision, and register-locked critical peripherals - all documented in ST's ISO 26262 SEooC safety case.
Can the internal 16 MHz RC oscillator be used as the system clock source?
Yes - the internal 16 MHz IRCOSC can serve as the primary system clock source, especially during startup or fallback conditions. It is monitored by CMU against PLL outputs and supports automatic failover to maintain safe operation while preserving ASIL-D timing integrity.
SPC574S64E3CEFAY Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 100-TQFP Exposed Pad
- Series:
- SPC57 S
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- e200z4
- Core Size:
- 32-Bit Dual-Core
- Speed:
- 140MHz
- Connectivity:
- CANbus, FlexRay, LINbus, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, WDT
- Number of I/O:
- 64
- Program Memory Size:
- 1.5MB (1.5M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 96K x 8
- Voltage - Supply (Vcc/Vdd):
- 3.135V ~ 5.25V
- Data Converters:
- A/D 32x12b SAR
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC574S64E3CEFAY FAQ
1.How can I place an order for SPC574S64E3CEFAY through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC574S64E3CEFAY on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for SPC574S64E3CEFAY reliable?
The price and inventory of SPC574S64E3CEFAY are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC574S64E3CEFAY is usually 5 days.
3.What payment methods are accepted for SPC574S64E3CEFAY?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC574S64E3CEFAY transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC574S64E3CEFAY?
SPC574S64E3CEFAY orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC574S64E3CEFAY order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for SPC574S64E3CEFAY?
For technical support, including SPC574S64E3CEFAY datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC574S64E3CEFAY requirements.
6.How does Aetrix verify that SPC574S64E3CEFAY is sourced from the original manufacturer or authorized distributors?
All SPC574S64E3CEFAY products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that SPC574S64E3CEFAY meets industry standards.
7.What is the process for return or replacement of SPC574S64E3CEFAY?
All SPC574S64E3CEFAY units undergo pre-shipment inspection (PSI). If there is an issue with SPC574S64E3CEFAY, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The SPC574S64E3CEFAY part is unused and in its original packaging.
Return procedure for SPC574S64E3CEFAY:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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